Linux カーネルパラメーターを確認する

sysctl -a

<出力結果>
vm.legacy_va_layout = 0
vm.lowmem_reserve_ratio = 256   256     32      0       0
vm.max_map_count = 65530
vm.memory_failure_early_kill = 0
vm.memory_failure_recovery = 1
vm.min_free_kbytes = 45056
vm.min_slab_ratio = 5
vm.min_unmapped_ratio = 1
vm.mmap_min_addr = 4096
sysctl: permission denied on key 'vm.mmap_rnd_bits'
sysctl: permission denied on key 'vm.mmap_rnd_compat_bits'
vm.nr_hugepages = 0
vm.nr_hugepages_mempolicy = 0
vm.nr_overcommit_hugepages = 0
vm.numa_stat = 1
vm.numa_zonelist_order = Node
vm.oom_dump_tasks = 1
vm.oom_kill_allocating_task = 0
vm.overcommit_kbytes = 0
vm.overcommit_memory = 0
vm.overcommit_ratio = 50
vm.page-cluster = 3
vm.panic_on_oom = 0
vm.percpu_pagelist_fraction = 0
vm.stat_interval = 1
sysctl: permission denied on key 'vm.stat_refresh'
vm.swappiness = 30
vm.user_reserve_kbytes = 81790
vm.vfs_cache_pressure = 100
vm.watermark_boost_factor = 15000
vm.watermark_scale_factor = 10
vm.zone_reclaim_mode = 0

sysctl -n kernel.hostname